How to Download 16.4 for iOS and iPadOS Devices
If you own an iPhone or an iPad, you might have heard about the latest software update from Apple, called 16.4. This update brings new features, enhancements, security patches, and bug fixes to your devices, making them more stable, secure, and enjoyable to use. In this article, we will show you how to download and install 16.4 for your iOS or iPadOS device, using different methods. We will also explain what is new in this update and why you should update as soon as possible.
What is 16.4 and Why You Should Update
16.4 is the latest version of the operating system that runs on iPhones and iPads, also known as iOS and iPadOS respectively. It was released by Apple on March 27, 2023, as a free update for compatible devices. Here are some of the reasons why you should update to 16.4:
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New Features and Enhancements in 16.4
21 new emoji icons, including animals, hand gestures, and objects, are now available in the emoji keyboard.
Notifications for web apps added to the Home Screen.
Voice Isolation for cellular calls prioritizes your voice and blocks out ambient noise around you.
Duplicates album in Photos expands support to detect duplicate photos and videos in an iCloud Shared Photo Library.
VoiceOver support for maps in the Weather app.
Accessibility setting to automatically dim video when flashes of light or strobe effects are detected.
Security and Bug Fixes in 16.4
According to Apple's security document , 16.4 addresses several vulnerabilities that could affect your device's privacy and security, such as:
A memory corruption issue that could allow an attacker to execute arbitrary code with kernel privileges.
A logic issue that could allow a malicious application to access restricted files.
A race condition that could allow an attacker to bypass Face ID or Touch ID authentication.
A validation issue that could allow an attacker to spoof the address bar of Safari.
A memory corruption issue that could allow an attacker to cause unexpected application termination or arbitrary code execution.
In addition, 16.4 also fixes some bugs that could affect your device's performance and functionality, such as:
An issue where Ask to Buy requests from children may fail to appear on the parent's device.
An issue where audio may not switch to AirPods automatically when placed in ears.
An issue where some MMS messages may not be received.
An issue where contact groups may fail to display members when composing a message.
An issue where some videos may not appear correctly when shared from the Photos app.
How to Download and Install 16.4 via Settings
The easiest way to download and install 16.4 for your iOS or iPadOS device is via the Settings app on your device. Here are the requirements and precautions you need to take before updating:
Requirements and Precautions
Your device must be compatible with 16.4. You can check the list of compatible devices here .
Your device must have enough battery power or be connected to a power source.
Your device must have enough storage space or be connected to iCloud storage.
Your - Your device must be connected to a Wi-Fi network or have cellular data enabled.
You should back up your device before updating, either to iCloud or to your computer, in case something goes wrong.
You should not interrupt the update process once it starts, as it could damage your device.
Steps to Update via Settings
Open the Settings app on your device and tap on General.
Tap on Software Update and wait for your device to check for updates.
If 16.4 is available, tap on Download and Install and agree to the terms and conditions.
Enter your passcode if prompted and wait for the download to complete.
Once the download is done, tap on Install Now and wait for the installation to finish.
Your device will restart and show a progress bar. Do not turn off your device or disconnect it from the power source.
Once the installation is done, your device will boot up and show a welcome screen. Follow the on-screen instructions to complete the setup.
How to Download and Install 16.4 via Computer
If you prefer to update your device via your computer, you can use Finder on a Mac or iTunes on a Windows PC. Here are the requirements and precautions you need to take before updating:
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Requirements and Precautions
Your computer must have the latest version of macOS or iTunes installed.
Your computer must have enough storage space or be connected to iCloud storage.
Your computer must have a reliable internet connection.
You should back up your device before updating, either to iCloud or to your computer, in case something goes wrong.
You should not interrupt the update process once it starts, as it could damage your device.
Steps to Update via Finder or iTunes
Connect your device to your computer using a USB cable and unlock your device if prompted.
On a Mac, open Finder and select your device from the sidebar. On a Windows PC, open iTunes and click on the device icon near the top left corner.
Click on Check for Update and wait for your computer to check for updates.
If 16.4 is available, click on Download and Update and agree to the terms and conditions.
Enter your passcode if prompted and wait for the download and installation to complete.
Your device will restart and show a progress bar. Do not disconnect it from the computer or turn off the computer.
Once the installation is done, your device will boot up and show a welcome screen. Follow the on-screen instructions to complete the setup.
How to Download and Install 16.4 via IPSW Firmware Files
If you want more control over the update process, you can use IPSW firmware files to manually update your device. IPSW files are the official software files that Apple releases for each update. You can download them from various websites, such as ipsw.me . Here are the requirements and precautions you need to take before updating:
Requirements and Precautions
Your computer must have the latest version of iTunes installed.
Your computer must have enough storage space or be connected to iCloud storage.
Your computer must have a reliable internet connection.
You should back up your device before updating, either to iCloud or to your computer, in case something goes wrong.
You should not interrupt the update process once it starts, as it could damage your device.
You should download the correct IPSW file for your device model and region. You can check your device model here .
Steps to Update via IPSW Firmware Files
Download the IPSW file for 16.4 that matches your device model and region from a trusted website, such as ipsw.me . Save it to a convenient location on your computer.
Connect your device to your computer using a USB cable and unlock your device if prompted.
Open iTunes and click on the device icon near the top left corner.
Hold down the Shift key (Windows) or Option key (Mac) and click on Check for Update. A file browser window will open.
Navigate to the location where you saved the IPSW file and select it. Click on Open and agree to the terms and conditions.
Enter your passcode if prompted and wait for the installation to complete.
Your device will restart and show a progress bar. Do not disconnect it from the computer or turn off the computer.
Once the installation is done, your device will boot up and show a welcome screen. Follow the on-screen instructions to complete the setup.
Conclusion
In this article, we have shown you how to download and install 16.4 for your iOS or iPadOS device, using different methods. We have also explained what is new in this update and why you should update as soon as possible. 16.4 is a major update that brings new features, enhancements, security patches, and bug fixes to your devices, making them more stable, secure, and enjoyable to use. We hope you found this article helpful and informative. If you have any questions or feedback, please feel free to leave a comment below.
FAQs
Q: How long does it take to download and install 16.4?
A: The download and installation time may vary depending on your device model, internet speed, storage space, and battery level. Generally, it may take anywhere from 15 minutes to an hour or more.
Q: What if I encounter an error or a problem while updating?
A: If you encounter an error or a problem while updating, such as a frozen screen, a failed verification, or a stuck progress bar, you can try the following solutions:
Force restart your device by pressing and holding the power and volume buttons until you see the Apple logo.
Connect your device to your computer and use iTunes or Finder to restore your device from a backup or set it up as new.
Contact Apple support or visit an Apple store for further assistance.
Q: How can I check if I have successfully updated to 16.4?
A: You can check if you have successfully updated to 16.4 by following these steps:
Open the Settings app on your device and tap on General.
Tap on About and look for the Software Version section.
If you see 16.4 as the software version, then you have successfully updated to 16.4.
Q: How can I free up some storage space before updating?
A: You can free up some storage space before updating by following these steps:
Open the Settings app on your device and tap on General.
Tap on iPhone Storage or iPad Storage and wait for your device to analyze your storage usage.
You will see a list of recommendations and apps that are taking up the most space. You can tap on each one and choose to delete, offload, or optimize them.
You can also delete any unwanted photos, videos, messages, documents, or other files from your device or iCloud.
Q: How can I revert back to an older version of iOS or iPadOS?
A: Unfortunately, you cannot revert back to an older version of iOS or iPadOS once you have updated to 16.4. Apple stops signing older versions of software after releasing a new one, which means you cannot install them anymore. The only way to go back to an older version is if you have saved the SHSH blobs for that version before updating, which is a complex process that requires jailbreaking your device and using third-party tools. 44f88ac181
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